What are the celestial bodies?
Celestial Body is an umbrella term for the entire universe, In other words, the celestial body represents everything that exists in outer space, including planets , stars, and any other bodies. That is, everything that exists outside the Earth’s atmosphere in addition to the Earth itself, Simple examples of celestial bodies are the Sun, Mars, and the Moon. There are also many celestial bodies that have not yet been discovered due to the size of outer space, which prevents the knowledge of all its components.[1]
Types of celestial bodies
Outer space consists of a number of celestial bodies that can be classified as follows: [2]
- Stars: such as the sun, which is one of the celestial bodies that consist of hydrogen and helium gases. In which nuclear reactions take place, causing the release of heat and light.
- Planets: Like the planets that make up the solar system.
- Moons: which usually revolve around the planets.
- Comets: They are bodies made of ice. that evaporates as comets approach the sun, Where the composition of the head of a comet differs from its tail, The head is made of solid materials. While the tail of dust and gas.
- Meteorites: are rocky bodies, May contain in its composition minerals such as iron, hits the ground when it falls, without fading during combustion due to penetration into the atmosphere.
- Galaxy: It is a gathering of nebulae and dust due to the force of gravity, an example of which is the Milky Way.
Solar Group
The Milky Way is the most famous celestial body in the solar system. The reason for this is the existence of the planet Earth, which contains life and its components. The solar system also contains the sun itself, the earth and its moon, The rest of the eight planets revolve around the sun. It is worth noting that it also contains famous comets, asteroids and other stars that were formed millions of years ago.[3]
the reviewer
- ↑ “Celestial Body” , www.universetoday.com , Retrieved 23-11-2018. Edited.
- ↑ “CELESTIAL BODIES” , www.visualdictionaryonline.com , Retrieved 4-12-2018. Edited.
- ↑ “Our Solar System” , www.windows2universe.org , Retrieved 23-11-2018. Edited.